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2004 chrysler 300m transmission problems! #1183706 02/21/12 10:32 PM 02/21/12 10:32 PM
Joined: Jun 2008 Posts: 574 Just South of The Motor City limechallenger OP mopar
limechallenger OP mopar Joined: Jun 2008 Posts: 574 Just South of The Motor City	My 2004 Chrysler 300m seems to be downshifting then upshifting as I drive along at 60-70 mph! it shifts back and forth so quick the tach doesn't even move however sometimes the speedometer does drop a bit. This happens randomly with no consistancy, sometimes I'll drive 30 miles and it won't happen then it starts for a couple miles.The tranny seems to shift fine around town,stop light to stop light , corners etc.... Only have the problem at highway speed. Any help, ideas,suggestions? 70 T/A Challenger 78 Aspen R/T 87 Indy 500 Dakota

Re: 2004 chrysler 300m transmission problems! [Re: limechallenger] #1183707 02/22/12 09:30 AM 02/22/12 09:30 AM
Joined: Jan 2003 Posts: 27,421 Balt. Md 3 383man Too Many Posts
383man Too Many Posts 3 Joined: Jan 2003 Posts: 27,421 Balt. Md	First thing I would do is have it scanned for codes. Could be one of the speed sensors but if it has a code diagnose for that. Ron

Re: 2004 chrysler 300m transmission problems! [Re: limechallenger] #1183708 02/22/12 11:40 AM 02/22/12 11:40 AM
Joined: Jun 2003 Posts: 21,427 It's a dry heat gtx6970 Too Many Posts
gtx6970 Too Many Posts Joined: Jun 2003 Posts: 21,427 It's a dry heat	Sounds like it's going in and out of lockup 'most likely' issue is the Throttle position sensor is failing. ck it with a lab scope to be sure. If it slight a ohm meter will never catch a problem BUT it could be a multitude of issues from a failing torque conv. clutch to a valve body issue

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